Primary classification plate



Nov. 10,1925. 7 l1,560,627A

M. J. WIART PRIMARY CLASSIFICATION PLATE Filed Marsh 50. 1923 RIGHT HA NC A Mal-'Ezel L Wiart @Hanau Patented Nov. l, 1925. i y

UNITED STATES PAT sur 1 MARCEL J. WIART, OF OGDEN, UTAH.

PRIMARY CLASSIFICATION PLATE.

Application filed March 30, 1923. Serial No. 628,932.

To all whom t may concern: left middle finger. 9 left ring finger. A10 50 Be it known that MARCEL J. VIART, a left little finger.

citizen of the United States, residing at The apparatus alsoincludes a plate A Ogden, in the county of I/V'eber and State of provided with Openings B the said openings 5 Utah, has invented certain new and useful adapted to be' moved into register with the Improvements in Primary Classification finger print impressions upon the card. The 55 Plates, of which the following is a speciopenings are arranged in rows and the opencation, ings in one row are in staggered relation This invention relates to a primary classiwith respect to the openings in the adjacent lication plate and it consists in the novel row. 4

features hereinafter described and claimed. The plate A is provided at one side sur- 60 An object of the invention is to provide face and adjacent t-he openings B with le-V a classifica-tion plate especially adapted to gends as follows. Numerator value 16.

be used in conjunction with the Henry sys- Numerator value 8. Numerator value 4.

tem of fixing or determining the fractional Numerator value 2. Numerator value 1. At

values of finger prints. In accord with the the same side surface and adjacent these 65 Henry system the prints are associated in respective openings also appear the followgroups having different fractional values ing legend. Right index finger, right ring or fractions composed of different numerfinger, left thumb, left middle linger, left ators and different denominators. The first little finger. At the opposite sidersurface group is represented by the fraction 16/16. the plate is provide-d adjacent the respec- 70 The second by the fraction 8/8. The third tive openings with the following legends:

by the fraction 4/4. The fourth by the frac- Denominator value 16. Denominator value tion 2/2 and the fifth by the frac- 8. .Denominator value 4. Denominator tion 1/1. Adding the respective numerators value 2. Denominator value 1, and adjaand denominators together the fraction cent the respective openings'with the ad 31/81 is given. To each term of this fracditional legends as follows: Right thumb,

tion one is added arbitrarily in order to proright middle finger, right little finger, left vide a fraction which is easy to handle and index finger, left ring finger. When the making' the fraction 32/32. pla-te is used upon the card it isturned In the accompanying drawing over away from the user and along its me- Figure 1 is a side elevation of the plate dian longitudinal aXis so as to bring the viewing one side surface thereof. various openings in the plate into register Figure 2 is a similar view of the plate with the corresponding prints upon the card viewing the opposite side surface thereof. C and in order that the nun'ierators and de- Figurc 3 is an elevational view of a finger nominators of the fractional numbers which S5 print card which is used in conjunction with represent the several prints may be accuratethe plat-e. 1y determined.

The linger print apparatus comprises a From the foregoing it will be seen that to card C having finger print impressions I have provided a primary classification thereon and arranged in rows. One row plate and apparatus by the use of which they including the prints of the fingers of the art of classifying can be learned with miniright hand and the other row including the mum expenditure of time. a primary classiprints of the fingers of the left hand. These fication plate which 1s durable, simple to d" prints are distinguished from each other by -make and use and which will insure at proper legends as for instance 1 right hand curacy of results with ordinary care. 9J thumb. 2 left forefinger. 3 right middle That I claim as new and desire to secure finger. 4 right ring finger. 5 right middle by Letters Patent is finger. 6 left thumb, 7 left forefinger. 8 1. A finger print apparatus comprising a card having finger print impressions thereon and arranged 1n horizontal rows and a plate adapted to be positioned upon the card card having nger print impressions thereon and arranged in rows and a plate having openings therein and adapted to be brought l0 into register With the finger print impressions upon the card the said openings being arranged in rows and the openings in one row being in staggered relation With respect to the openings in the adjacent row. 'l5

In testimony whereof I aiix my signature.

MARCEL J. WIART. 

